Gpc January 2004

gpc@gnu.de

17 participants
32 discussions

huge exe size
by Peter Norton 22 Jan '04

22 Jan '04

Hi all, I'm new in GNU Pascal and wonder the exe size compiler produces. Three lines Hello World source was blowed up to the 349 KB (!) exe. Stripped down (with -s) the executable is still big - 247 KB. The same source compiled with VirtualPascal's compiler is 11 KB exe. 20 times smaller! Am I doing something wrong? Thank in advance, Peter __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free web site building tool. Try it! http://webhosting.yahoo.com/ps/sb/

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Re: [RESEND] gcc 3.3.3/3.4 compatibility
by Waldek Hebisch 21 Jan '04

21 Jan '04

Thorsten Glaser wrote: > > Now I retrieved a recent tarball and find gcc 3.3 "not production > quality" - the tarball's fairly old though. > > I'd like to ask whether, when gcc 3.3.3 or even 3.4 comes out > (does anybody know approximate dates?), it's likely or not to > be fully supported? > Mostly, the issue is: we have an i386 and a sparc port, and gcc 3.2.3 > at the moment. I don't want to write a gcc 3.2 configuration for sparc, > as the 3.3 format is different (eg. with CPP_PREDEFINES), and can't > take one from somewhere else and just modify it, because the gcc config > still assumes it's a.out on openbsd; the openbsd people itself just started > work on integrating gcc 3.3.2 into their tree (however not, unless us, as > the system compiler - they still use gcc 2.95, which is just a fallback > compiler for us). > The most recent gpc (alpha) relase is gpc-20030830. ATM gpc based on gcc-3.3.x is still less tested then other gpc versions. Also, there are known problems: a) in 3.3 CPP_PREDEFINES are no present. gpc has own preprocessor which on given platform is supposed to have the same set of predefined symbols as C preprocessor -- with 3.3 this is broken. b) `gpc' program contains a spec parser. This parser does not accept some constructs accepted by gcc-3.3 c) recently, there are misterious build failures on ia64 and alpha Concerning 3.4: I have patches needed to build gpc with gcc-3.4 (december 15 version). Resulting gpc passed all its regression tests. However, besides a) and b) above there are problems with command line handling. Also, the build process requires manual corrections. It is hard to give any specific date when the problems will be resolved. AFAIK Frank Heckenbach is in the process of rewriting preprecessor, to integrate it into the back-end, which will solve a). Note that the impact of a) and b) depend on target platform, it can be almost harmless (on Linux) or disastrous (if platform dependent predefines are needed to choose correct code). -- Waldek Hebisch hebisch(a)math.uni.wroc.pl

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Re: [RESEND] gcc 3.3.3/3.4 compatibility
by J. David Bryan 16 Jan '04

16 Jan '04

On 15 Jan 2004 at 19:11, Thorsten Glaser wrote: > Now I retrieved a recent tarball and find gcc 3.3 "not production > quality" - the tarball's fairly old though. I don't know the specific reason for the inclusion of that statement, but I have been using gpc-20030830 built with gcc-3.3.2 (ix86-mingw) without problems. I don't use gpc extensively, but this configuration passes 99.5% of the test suite, and the few failures appear to be platform-related, rather than code generation problems. -- Dave

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Mac 10.3 Project Builder question
by Russell McGaha 15 Jan '04

15 Jan '04

How's the integration coming; if it's working, are there any doc.s on how to use it; if it's not working, how may I help (if I can). Russell --- [This E-mail scanned for viruses by Declude Virus]

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auto dependency generation
by Bryan Meredith 15 Jan '04

15 Jan '04

Is there an equivalent to the gcc -MM command? For those that haven't come across it, it produces a dependency list for the given file that you can then use in make. I am aware of the --autobuild option but the source that I have inherited needs dependencies in the makefile itself due to having to calculate targets on the fly depending upon what data is supplied, There is no way around it :/ I can force a complete rebuild each time (which isnt too time consuming really) but I would rather know that stuff gets built when it is needed, just in case... Thanks in advance, Bryan "Brain Murders" Meredith

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GPC on ARM7tdmi problems: libos-hack, ncurses
by Igor Marnat 13 Jan '04

13 Jan '04

Hi dear All. I'm trying to build some pascal program for ARM7TDMI using GPC as a cross compiler for ARM (host - i686, RedHat9; target - uclinux, ARM7TDMI, gcc - 2.95.3, gpc - 20010315). I've got some problems, could you please help me with those: 1. When I include unit CRT in my program, GPC asks for libos-hack library that I don't have on my machine. After some investigation I found that I can change file rts-config.inc (i.e. write there string #UNDEF HAVE_LIBOS_HACKS) to avoid this issue. Is it any bug in GPC configuration script? Is it just enough to change this string for system to work correctly? I didn't manage to find any notes about libos-hack in Google. 2. After I have removed this issue about libos-hack, arm-elf-gpc asked for libpanel library from ncurses but cannot find it. How should I correct this problem? I read configuration scripts for ncurses and found that they use only usual gcc, there is nothing like $(target)-gcc in the scripts. Is it possible to build and install ncurses for ARM? I think I cannot use library /usr/lib/libpanel.a for ARM if it is compiled using usual gcc for Intel. Is it possible to install ncurses so that only source files will be used (i.e. without libraries)? Or is it possible to build ncurses for arm using arm-elf-gcc? Thanks a lot, Igor Marnat. mailto:marny@rambler.ru

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Problem with gpc-20030830 unter MinGW
by Markus Gerwinski 11 Jan '04

11 Jan '04

Hi folks, I'm trying to build the gpc-20030830 alpha version on my MinGW system. In my current attempt I'm directly compiling from within the gcc-3.2.1 core directory. I start building with the command ./configure --prefix=C:/MinGW --enable-languages=pascal Then `make' always aborts with the following message: make[2]: Entering directory `/mysoftware/gcc-3.2.1/gcc/p/rts' make[2]: Nothing to be done for `generated-files'. make[2]: Leaving directory `/mysoftware/gcc-3.2.1/gcc/p/rts' cd ./p/rts && make -f Makefile.in srcdir=. GCC_VERSION="3.2.1" SHELL="/bin/sh" CFLAGS="-g -O2" PFLAGS="" AR="ar" AR_FLAGS="rc" RANLIB="ranlib" RANLIB_TEST="[ -f ranlib ] || ( [ "i686-pc-mingw32" = "i686-pc-mingw32" ] && [ -f /usr/bin/ranlib -o -f /bin/ranlib ] )" RTSFLAGS="" DESTDIR="../.." generated-files make[2]: Entering directory `/mysoftware/gcc-3.2.1/gcc/p/rts' make[2]: Nothing to be done for `generated-files'. make[2]: Leaving directory `/mysoftware/gcc-3.2.1/gcc/p/rts' cd ./p/rts && make CC="`echo /mysoftware/gcc-3.2.1/gcc/xgcc -B/mysoftware/gcc-3.2.1/gcc/ -BC:/MinGW/i686-pc-mingw32/bin/ -BC:/MinGW/i686-pc-mingw32/lib/ -isystem C:/MinGW/i686-pc-mingw32/include' ' | sed -e 's,$-[BI]$$[^/][^:]$,\1../../\2,g;s,^$[^/][^:]*/$,../../\1,'`" PC="`echo ./xgpc -B./' ' | sed -e 's,$-[BI]$$[^/][^:]$,\1../../\2,g;s,^$[^/][^:]*/$,../../\1,'`" GCC_VERSION="3.2.1" SHELL="/bin/sh" CFLAGS="-g -O2" PFLAGS="" AR="ar" AR_FLAGS="rc" RANLIB="ranlib" RANLIB_TEST="[ -f ranlib ] || ( [ "i686-pc-mingw32" = "i686-pc-mingw32" ] && [ -f /usr/bin/ranlib -o -f /bin/ranlib ] )" RTSFLAGS="" DESTDIR="../.." all make[2]: Entering directory `/mysoftware/gcc-3.2.1/gcc/p/rts' ../.././xgpc -B../.././ -I. -W -Wall -Wpointer-arith -Wwrite-strings -Wmissing-prototypes -Wmissing-declarations -g -O2 --unit-path=/mysoftware/gcc-3.2.1/gcc/p/rts --automake --print-needed-options "endian.pas" 2> "needed-options" || true if grep -v '^--' "needed-options" > /dev/null; then echo "needed-options: `cat "needed-options"`" >&2; rm -f "needed-options"; false; else true; fi make[2]: Leaving directory `/mysoftware/gcc-3.2.1/gcc/p/rts' make[1]: Leaving directory `/mysoftware/gcc-3.2.1/gcc' make[1]: Circular libgcc.a <- pascal dependency dropped. needed-options: 0 [main] sh 2240 open_stackdumpfile: Dumping stack trace to sh.exe.stackdump make[2]: *** [needed-options] Error 1 make[1]: *** [pascal.rts] Error 2 make: *** [all-gcc] Error 2 The file "needed-options" doesn't exist at all. If I `touch' it, `make' aborts with make[2]: Entering directory `/mysoftware/gcc-3.2.1/gcc/p/rts' make[2]: Nothing to be done for `generated-files'. make[2]: Leaving directory `/mysoftware/gcc-3.2.1/gcc/p/rts' cd ./p/rts && make -f Makefile.in srcdir=. GCC_VERSION="3.2.1" SHELL="/bin/sh" CFLAGS="-g -O2" PFLAGS="" AR="ar" AR_FLAGS="rc" RANLIB="ranlib" RANLIB_TEST="[ -f ranlib ] || ( [ "i686-pc-mingw32" = "i686-pc-mingw32" ] && [ -f /usr/bin/ranlib -o -f /bin/ranlib ] )" RTSFLAGS="" DESTDIR="../.." generated-files make[2]: Entering directory `/mysoftware/gcc-3.2.1/gcc/p/rts' make[2]: Nothing to be done for `generated-files'. make[2]: Leaving directory `/mysoftware/gcc-3.2.1/gcc/p/rts' cd ./p/rts && make CC="`echo /mysoftware/gcc-3.2.1/gcc/xgcc -B/mysoftware/gcc-3.2.1/gcc/ -BC:/MinGW/i686-pc-mingw32/bin/ -BC:/MinGW/i686-pc-mingw32/lib/ -isystem C:/MinGW/i686-pc-mingw32/include' ' | sed -e 's,$-[BI]$$[^/][^:]$,\1../../\2,g;s,^$[^/][^:]*/$,../../\1,'`" PC="`echo ./xgpc -B./' ' | sed -e 's,$-[BI]$$[^/][^:]$,\1../../\2,g;s,^$[^/][^:]*/$,../../\1,'`" GCC_VERSION="3.2.1" SHELL="/bin/sh" CFLAGS="-g -O2" PFLAGS="" AR="ar" AR_FLAGS="rc" RANLIB="ranlib" RANLIB_TEST="[ -f ranlib ] || ( [ "i686-pc-mingw32" = "i686-pc-mingw32" ] && [ -f /usr/bin/ranlib -o -f /bin/ranlib ] )" RTSFLAGS="" DESTDIR="../.." all make[2]: Entering directory `/mysoftware/gcc-3.2.1/gcc/p/rts' /mysoftware/gcc-3.2.1/gcc/xgcc -B/mysoftware/gcc-3.2.1/gcc/ -BC:/MinGW/i686-pc-mingw32/bin/ -BC:/MinGW/i686-pc-mingw32/lib/ -isystem C:/MinGW/i686-pc-mingw32/include -c -I. -W -Wall -Wpointer-arith -Wwrite-strings -Wmissing-prototypes -Wmissing-declarations -g -O2 rts.c make[2]: Leaving directory `/mysoftware/gcc-3.2.1/gcc/p/rts' make[1]: Leaving directory `/mysoftware/gcc-3.2.1/gcc' make[1]: Circular libgcc.a <- pascal dependency dropped. 0 [main] sh 1268 open_stackdumpfile: Dumping stack trace to sh.exe.stackdump make[2]: *** [rts.o] Segmentation fault (core dumped) make[1]: *** [pascal.rts] Error 2 make: *** [all-gcc] Error 2 Any idea what I'm doing wrong here? Thanks, Markus

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Thanks for your timely help!!
by B.Gayathri 09 Jan '04

09 Jan '04

Sir, Thank you very much for your mail about patching GCC. I downloaded Patch from http://www.gnu.org/directory/patch.html site. (patch-2.5.4.tar.gz). I unpacked the same in my GNU work folder (gnu/gcc-3.2.2/gcc). But when I tried configuring GCC, it gives same message (You can try to patch GCC manually by typing a command like *** `patch -p1 < p/diffs/gcc-2.95.diff' and patching possible rejects *** by hand before you run `./configure' again.) When I tried patch command it didnt work for me. How to install Patch command..? In the README file aslo nothing is given about patch. Is it necessary to install patch? If so what I have to do? The following error occurs: [root@EXE-INDIA2 gcc]# patch -p1 < p/diffs/gcc-2.95.diff bash: patch: command not found But when I try the same configure command under /gnu/gcc-3.2.2/gcc/patch-2.5.4, then it worked.Few lines of output as follows: [root@EXE-INDIA2 patch-2.5.4]# configure --enable-languages=pascal loading cache ./config.cache checking host system type... i686-pc-linux-gnu checking for gcc... (cached) gcc checking whether the C compiler (gcc ) works... yes checking whether the C compiler (gcc ) is a cross-compiler... no checking whether we are using GNU C... (cached) yes checking whether gcc accepts -g... (cached) yes [root@EXE-INDIA2 patch-2.5.4]# make install /bin/sh ./mkinstalldirs /usr/local/bin /usr/local/man/man1 /usr/bin/install -c patch /usr/local/bin/`echo patch | sed 's,x,x,'` /usr/bin/install -c -m 644 ./patch.man /usr/local/man/man1/`echo patch | sed 's,x,x,'`.1 Is this correct? To my knowledge the above commands should work in the gnu work folder.. Sorry for disturbing you again ana again. Thanks and regards, B.Gayathri

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Status of pthread support
by Bryan Meredith 08 Jan '04

08 Jan '04

I notice in the Planned Features - Misc page the comment: multithreading support ?? ??? Am I to take it that there are problems with thread support in gpc or is this an old comment? For my task, I would need support under Linux on intel/amd. Thanks in advance, Bryan "Brain Murders" Meredith

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Help!!
by B.Gayathri 06 Jan '04

06 Jan '04

Sir, I downloaded the GNU latest version gpc-20030830 and followed the installation instructions given in your web site. But when I configure the GCC, it asks to do patching, as follows: *** ./configure detected GCC version 3.2.2. *** GPC 2.1 requires one of the following versions of GCC sources to build: *** *** 2.8.1 *** 2.95.1 *** 2.95.2 *** 2.95.3-5 *** 2.95.3-6 *** 2.95.3 *** 2.95.4 *** 2.95 *** *** (You can try to patch GCC manually by typing a command like *** `patch -p1 < p/diffs/gcc-2.95.diff' and patching possible rejects *** by hand before you run `./configure' again.) When I tried patch command it didnt work for me. How to install Patch command..? < p/diffs/gcc-2.95.diff - this file is available in my working directory (/gnu/gcc-3.2.2/gcc/) under the same path [root@EXE-INDIA2 gcc]# patch -p1 < p/diffs/gcc-2.95.diff bash: patch: command not found So please help me how to do patching and successful configuration of GCC. Since there are many pascal types like Turbo, Borland, Standard, let know whether the HP pascal code can be successfully converted to C and get compiled in Linux using GCC. Please advice me. Thanks and regards, B.Gayathri

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Gpc January 2004